Patents by Inventor Kiefer Dieter

Kiefer Dieter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and device for producing a tubular object from thermoplastic material
    Patent number: 8357326
    Abstract: A device for producing a tubular object from thermoplastic material includes a die, a plunger, and a withdrawal unit. The movements of the withdrawal unit, plunger and die body are controlled such that the movement of the withdrawal unit is carried out according to a freely adjustable velocity profile over the path of the withdrawal unit. Movement of the plunger is carried out according to a freely adjustable velocity profile over the plunger path and movement of the die body is carried out according to a freely adjustable position profile over the path of the withdrawal unit or plunger. In this manner, the wall thickness of the tubular object may be adjusted with high accuracy over its length.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: January 22, 2013
    Assignee: Ossberger GmbH & Co.
    Inventor: Kiefer Dieter